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Window Rock, AZ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Window Rock, a community in Mckinley County, Arizona.

This Afternoon
56°F
Mostly Cloudy
Mostly cloudy. High near 56, with temperatures falling to around 52 in the afternoon. South wind 0 to 5 mph.

7-day forecast for Window Rock

WhenTempForecastWindPrecip
This Afternoon 56°F Mostly Cloudy 0 to 5 mph S 0%
Tonight 29°F Partly Cloudy 0 to 5 mph SE 1%
Wednesday 55°F Sunny 5 to 20 mph W 1%
Wednesday Night 25°F Mostly Clear 5 to 10 mph NW 0%
Thursday 55°F Patchy Fog then Sunny 0 to 5 mph NE 0%
Thursday Night 26°F Areas Of Fog 0 mph 0%
Friday 57°F Mostly Sunny 0 to 5 mph NE 2%
Friday Night 25°F Mostly Clear 5 mph N 2%
Saturday 58°F Sunny 5 mph NE 1%
Saturday Night 26°F Mostly Clear 0 to 5 mph NE 0%
Sunday 62°F Sunny 0 to 5 mph E 1%
Sunday Night 29°F Mostly Clear 0 mph 2%
Monday 63°F Mostly Sunny 0 mph 5%
Monday Night 31°F Partly Cloudy 0 mph 5%

Forecast source: National Weather Service (api.weather.gov) for Window Rock (35.671, -109.063). Updated through the day.

Growing snapshot for Window Rock

Last spring frost
May 29
First fall frost
Sep 28
Growing season
121 days
Hardiness zone
6b

More local growing data for Window Rock: nearby ZIP 86515 weather · frost dates · planting calendar · Arizona frost dates

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Climate data from the nearest NOAA station, Window Rock Ap, Az (5.5 mi from Window Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.